What is the penalty for discharging sewage, or is there a permissible amount of sewage discharged? If the penalty then sell sewage equipment manufacturers also penalized?

Water volume and water pollutant concentration is generally in accordance with the documents approved by the EIA.

If the national standard is exceeded, you can apply for remodeling, generally can be carried out for a limited period of time. During the remodeling period, the environmental protection department will generally not be penalized.

If it is normal production, exceeding the standard, should be paid according to the national norms of sewage charges exceeding the standard. General billing is to take three, each exceeding the value of the national standard, take double sewage charges.